diff options
Diffstat (limited to 'nuttx/arch/rgmp/src/x86/sigentry.S')
-rw-r--r-- | nuttx/arch/rgmp/src/x86/sigentry.S | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/nuttx/arch/rgmp/src/x86/sigentry.S b/nuttx/arch/rgmp/src/x86/sigentry.S new file mode 100644 index 000000000..98891c026 --- /dev/null +++ b/nuttx/arch/rgmp/src/x86/sigentry.S @@ -0,0 +1,55 @@ +/**************************************************************************** + * arch/rgmp/src/x86/sigentry.S + * + * Copyright (C) 2011 Yu Qiang. All rights reserved. + * Author: Yu Qiang <yuq825@gmail.com> + * + * This file is a part of NuttX: + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + + .globl up_sigentry +up_sigentry: + subl $172, %esp # 172 is the size of TrapFrame + pushl %esp + movl %esp, %eax + call up_sigdeliver + addl $8, %esp # skip parameter and current_task + frstor 0(%esp) + addl $108, %esp + popal + popl %es + popl %ds + addl $0x8, %esp # trapno and errcode + iret + +
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